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Abstract

A mechanism is described which permits efficient communications of Document Interchange Architecture (DIA) document interchange units (DIUs) on a communications line without burdening applications.

Country

United States

Language

English (United States)

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This is the abbreviated version, containing approximately
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Communications Compression Attribute

A mechanism
is described which permits efficient
communications of Document Interchange Architecture (DIA) document
interchange units (DIUs) on a communications line without burdening
applications.

This article
describes a new Document Interchange Architecture
(DIA) interchange document profile (IDP) attribute called a
communications compression attribute. This attribute indicates to the
DIA communication DIU emitting algorithm(s) that the associated
document content should be compressed to a specified format before
putting the DIUs on the wire. This attribute also indicates that the
receiving DIA DIU algorithm(s) decompress the DIUs when receiving
them at the other end of a communications line. This attribute should
not be confused with the existing DIA attribute which indicates the
document content is compressed. The existing DIA attribute requires
application level compression and decompression. This article
mechanism compresses and decompresses DIUs on the communications link
automatically for efficient communications. Application level
processes are not burdened with compressing and decompressing to
achieve maximum communications throughout.

The mechanism
is implemented with a distribution attribute with
a sub-element indicating compression format. DIA systems must
compress outbound and decompress inbound on a communications line.
The mechanism is not limited to the DIA architecture and is useful in
most communications environments. Many compression formats can be
supported. Compression could include all...